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Finding the Fourth Proportional to 173,633.60, 260,040.80 and 107,278.40

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Solution

The fourth proportional to 173,633.60, 260,040.80 and 107,278.40 is: 160,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,633.60 : 260,040.80 = 107,278.40 : x
  2. Step 2: Convert to fraction form
    173,633.60/260,040.80 = 107,278.40/x
  3. Step 3: Cross multiply
    173,633.60x = 260,040.80 × 107,278.40
  4. Step 4: Simplify right side
    173,633.60x = 27,896,760,958.72
  5. Step 5: Solve for x
    x = 27,896,760,958.72/173,633.60
  6. Step 6: Final answer
    x = 160,664.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.